binder: 3984:6167 ioctl 0 c0306201 returned -22 binder: 3981:6111 ioctl 0 c0306201 returned -22 binder: 3980:5892 ioctl 0 c0306201 returned -22 binder: 3978:5877 ioctl 0 c0306201 returned -22 binder: 3985:6082 ioctl 0 c0306201 returned -22 INFO: task jbd2/sda1-8:1907 blocked for more than 120 seconds. Not tainted 4.4.131-g31f312b #33 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. jbd2/sda1-8 D ffff8800b641f590 26848 1907 2 0x00000000 ffff8800b641f590 0000000000000000 0000000000000000 0000000000000002 0000000000000000 ffff8801db31fdb8 ffff8801db31fde0 ffff8801db31f4d8 ffff8801db31f4c0 ffff8800b91e1800 ffff8800b6430000 0000000000000000 Call Trace: [] schedule+0x7a/0x1b0 kernel/sched/core.c:3359 [] schedule_timeout+0x481/0x8b0 kernel/time/timer.c:1515 [] io_schedule_timeout+0x1ba/0x390 kernel/sched/core.c:4941 [] io_schedule include/linux/sched.h:447 [inline] [] bit_wait_io+0x1b/0xd0 kernel/sched/wait.c:595 [] __wait_on_bit+0xbd/0x140 kernel/sched/wait.c:395 [] out_of_line_wait_on_bit+0xe8/0x120 kernel/sched/wait.c:408 [] wait_on_bit_io include/linux/wait.h:1015 [inline] [] __wait_on_buffer+0x5c/0x70 fs/buffer.c:123 [] wait_on_buffer include/linux/buffer_head.h:342 [inline] [] journal_wait_on_commit_record fs/jbd2/commit.c:178 [inline] [] jbd2_journal_commit_transaction+0x4725/0x65a0 fs/jbd2/commit.c:895 [] kjournald2+0x22a/0x830 fs/jbd2/journal.c:223 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510 no locks held by jbd2/sda1-8/1907. Sending NMI to all CPUs: NMI backtrace for cpu 0 CPU: 0 PID: 6166 Comm: syz-executor103 Not tainted 4.4.131-g31f312b #33 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8800b6434800 task.stack: ffff8801d19e0000 RIP: 0010:[] [] rep_nop arch/x86/include/asm/processor.h:562 [inline] RIP: 0010:[] [] delay_tsc+0x33/0xc0 arch/x86/lib/delay.c:66 RSP: 0018:ffff8801d19e76f8 EFLAGS: 00000002 RAX: 0000000000000002 RBX: 0000028545611ae8 RCX: 0000000000000000 RDX: 0000000000000003 RSI: ffffffff81e6dabb RDI: ffffffff8592e640 RBP: ffff8801d19e7718 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff858ed15e R12: 000002854561146b R13: 00000000000008fd R14: 0000000000000000 R15: fffffbfff0c554a1 FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f778eb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000000d9f000 CR3: 00000000baba6000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff862aa4c0 000000000000270e 0000000000000020 fffffbfff0c554df ffff8801d19e7728 ffffffff81e3a811 ffff8801d19e7778 ffffffff82084bbf ffffffff81e36a75 ffffffff862aa508 ffffffff862aa6fa ffffffff862aa4c0 Call Trace: [] __delay arch/x86/lib/delay.c:160 [inline] [] __const_udelay+0x31/0x40 arch/x86/lib/delay.c:174 [] wait_for_xmitr+0x6f/0x1e0 drivers/tty/serial/8250/8250_port.c:1725 [] serial8250_console_putchar+0x1f/0x60 drivers/tty/serial/8250/8250_port.c:2806 [] uart_console_write+0x59/0xf0 drivers/tty/serial/serial_core.c:1789 [] serial8250_console_write+0x539/0x830 drivers/tty/serial/8250/8250_port.c:2872 [] univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:594 [] call_console_drivers.constprop.28+0x1ef/0x3f0 kernel/printk/printk.c:1463 [] console_unlock+0x605/0xa10 kernel/printk/printk.c:2330 [] vprintk_emit+0x51e/0x840 kernel/printk/printk.c:1832 [] vprintk+0x28/0x30 kernel/printk/printk.c:1843 [] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1844 [] printk+0xaf/0xd7 kernel/printk/printk.c:1922 [] binder_ioctl.cold.83+0x91/0x132 drivers/android/binder.c:4834 [] C_SYSC_ioctl fs/compat_ioctl.c:1592 [inline] [] compat_SyS_ioctl+0x484/0x2270 fs/compat_ioctl.c:1544 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x326/0x8b0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 Code: 49 89 fd bf 01 00 00 00 41 54 53 e8 08 b4 36 ff e8 33 33 03 00 41 89 c6 0f ae e8 0f 31 48 c1 e2 20 48 09 c2 49 89 d4 eb 16 f3 90 01 00 00 00 e8 e3 b3 36 ff e8 0e 33 03 00 44 39 f0 75 36 0f NMI backtrace for cpu 1 CPU: 1 PID: 492 Comm: khungtaskd Not tainted 4.4.131-g31f312b #33 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8800bace6000 task.stack: ffff8801d8e38000 RIP: 0010:[] [] native_apic_mem_write arch/x86/include/asm/apic.h:94 [inline] RIP: 0010:[] [] __default_send_IPI_dest_field arch/x86/include/asm/ipi.h:119 [inline] RIP: 0010:[] [] _flat_send_IPI_mask arch/x86/kernel/apic/apic_flat_64.c:61 [inline] RIP: 0010:[] [] flat_send_IPI_mask+0xf6/0x1a0 arch/x86/kernel/apic/apic_flat_64.c:69 RSP: 0018:ffff8801d8e3fcc8 EFLAGS: 00000046 RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000 RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300 RBP: ffff8801d8e3fcf0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000000000003 R14: 0000000000000002 R15: ffffffff8446f7a0 FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000e6f198 CR3: 00000000b9415000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff8446f7a0 ffffffff84a189e0 0000000000000007 fffffbfff0942bec 0000000000000040 ffff8801d8e3fd10 ffffffff810b5d61 ffffffff83c0b1a0 0000000000000003 ffff8801d8e3fd68 ffffffff81e18fa3 ffff8800b6430000 Call Trace: [] nmi_raise_cpu_backtrace+0x61/0x80 arch/x86/kernel/apic/hw_nmi.c:33 [] nmi_trigger_all_cpu_backtrace.cold.4+0x70/0xad lib/nmi_backtrace.c:85 [] arch_trigger_all_cpu_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 [] trigger_all_cpu_backtrace include/linux/nmi.h:44 [inline] [] check_hung_task kernel/hung_task.c:125 [inline] [] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline] [] watchdog.cold.1+0xd3/0xee kernel/hung_task.c:238 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510 Code: b3 5f ff f6 c4 10 75 e2 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 f2 09 da 80 cf 04 41 83 fe 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 75 1a 4c 89 e7 57 9d 0f 1f 44 00 00 e8 62